Sound and emission control

Yoshimura Muffler Wash Plug Replacement Yoshimura Wash Plug Keeping water out of the muffler while washing a vehicle is an important step to maintaining the longevity of the muffler and exhaust system. Yoshimura Wash Plug is included with most Off-Road, ATV, and UTV exhaust...

Yoshimura Spark Arrester Kit Rs-9 Muffler, 1.125" Includes ONE Replacement USFS Approved Spark Arrester for RS-9 Off-Road Mufflers. Dual Muffler Systems require TWO Spark Arrester Kits. Available as optional Spark Arrester on applications not originally equipped with a Spark Arrester Kit Includes: 1 x...

Yoshimura Spark Arrester Kit Rs-9T Muffler, 1.125" Includes ONE Replacement USFS Approved Spark Arrester for RS-9 Off-Road Mufflers. Dual Muffler Systems require TWO Spark Arrester Kits. Available as optional Spark Arrester on applications not originally equipped with a Spark Arrester Kit Includes: 1 x...

Yoshimura Spark Arrester Kit Rs-4S Muffler, 1.500" Updated Version of SA-13-K, weldnut inside of insert makes installation/removal easier Replacement USFS Approved Spark Arrester for RS-4 Mufflers with "Turn-out" end-cap. Available as optional Spark Arrester on applications not originally equipped with a Spark Arrester Kit...

Yoshimura Spark Arrester Kit Rs-4 Muffler, 1.500" Replacement USFS Approved Spark Arrester for RS-4 Off-Road Mufflers Available as optional Spark Arrester on applications not originally equipped with a Spark Arrester Kit Includes: Spark Arrester Insert End-cap collar Set screw This product was designed to...

Yoshimura Spark Arrester Kit Rs-2 Off-Road Muffler, 1.500" Replacement USFS Approved Spark Arrester for RS-2 Off-Road Mufflers Available as optional Spark Arrester on applications not originally equipped with a Spark Arrester Kit Includes: Spark Arrester Insert End-cap collar Set screw This product was designed...

Yoshimura Spark Arrester Kit Rs-4 Muffler Adventure, 1.500" Replacement USFS Approved Spark Arrester for RS-4 KTM Adventure Mufflers Kit Includes: Spark Arrester Insert End-cap collar Set screw This product was designed to fit on a standard equipped motorcycle, as delivered from the factory. OE...

Yoshimura Spark Arrester Kit Rs-2 Off-Road Muffler, 1.500" Replacement USFS Approved Spark Arrester for RS-2 Off-Road Mufflers Available as optional Spark Arrester on applications not originally equipped with a Spark Arrester Kit Includes: Spark Arrester Insert End-cap collar Set screw This product was designed...

Yoshimura Spark Arrester Kit Rs-2 Muffler, 1.625" Replacement USFS Approved Spark Arrester for Select RS-2 Off-Road Mufflers Available as optional Spark Arrester on applications not originally equipped with a Spark Arrester Kit Includes: Spark Arrester Insert End-cap collar Set screw This product was designed...

Yoshimura Spark Arrester Kit Rs-2 Mini Muffler, 1.550" Ring Introducing the newest USFS approved spark arrester specifically designed for the RS-2 Mini mufflers. Proudly designed and made in Chino California USA. Available as optional Spark Arrester for select Dirt Bike models Kit Includes: 1...

Yoshimura Spark Arrester Kit Rs-12 Muffler, 1.500" Introducing the newest USFS approved spark arrester specifically designed for the RS-12 muffler. Designed with our PTF (Precision Taper Fit) for easy installation and removal. Proudly designed and made in Chino California USA. Available as optional Spark...

Yoshimura Spark Arrester Kit Rs-2 Muffler, 1.625" Replacement USFS Approved Spark Arrester for RS-2 Off-Road Mufflers Available as optional Spark Arrester on applications not originally equipped with a Spark Arrester Kit Includes: Spark Arrester Insert End-cap collar Set screw This product was designed to...

Yoshimura Spark Arrester Kit Rs-12 Muffler, 1.375" Replacement USFS Approved Spark Arrester for RS-12 Off-Road Mufflers Available as optional Spark Arrester on applications not originally equipped with a Spark Arrester Kit Includes: Spark Arrester Insert End-cap collar Set screw This product was designed to...

Yoshimura Spark Arrester Kit Rs-12 Muffler, 1.500" Includes ONE Replacement USFS Approved Spark Arrester for RS-12 Off-Road Mufflers. Available as optional Spark Arrester on applications not originally equipped with a Spark Arrester Kit Includes: 1 x Spark Arrester Insert 1 x End-cap collar 1...

Yoshimura Sound Insert Kit 94Db Rs-4 Muffler, 1.375" (Ins-16-K) Replacement Low-Volume Insert Kit for RS-4 Mufflers Non-Spark Arrested Available as optional kit on applications requiring different sound restrictions Decibel reduction depends on application Kit Includes: Low-Volume Insert Tube End-cap collar Set screw This product...

Yoshimura Sound Insert Kit 94Db Rs-4 Muffler, 1.500" (Ins-14-K) Replacement Low-Volume Insert Kit for RS-4 Mufflers Non-Spark Arrested Available as optional kit on applications requiring different sound restrictions Decibel reduction depends on application Kit Includes: Low-Volume Insert Tube End-cap collar Set screw This product...

Yoshimura Sound Insert Kit 94Db Rs-2 Muffler, 1.250" (Ins-12-K) Replacement Low-Volume Insert Kit for RS-2 Mufflers Non-Spark Arrested Available as optional kit on applications requiring different sound restrictions Decibel reduction depends on application Kit Includes: Low-Volume Insert Tube End-cap collar Set screw This product...

Yoshimura Sound Insert Kit 94Db Rs-2 Muffler, 1.375" (Ins-11-K) Replacement Low-Volume Insert Kit for RS-2 Mufflers Non-Spark Arrested Available as optional kit on applications requiring different sound restrictions Decibel reduction depends on application Kit Includes: Low-Volume Insert Tube End-cap collar Set screw This product...

Yoshimura Sound Insert Kit 94Db Rs-4 Muffler, 1.250" (Ins-13-K) Replacement Low-Volume Insert Kit for RS-4 Mufflers Non-Spark Arrested Available as optional kit on applications requiring different sound restrictions Decibel reduction depends on application Kit Includes: Low-Volume Insert Tube End-cap collar Set screw This product...

Yoshimura Sound Insert Kit 94Db Rs-4S Muffler, 1.375" (Ins-18-K) Replacement Low-Volume Insert Kit for RS-4 "Turn-out End-cap" Mufflers Non-Spark Arrested Available as optional kit on applications requiring different sound restrictions Decibel reduction depends on application Kit Includes: Low-Volume Insert Tube End-cap collar Set screw...

Yoshimura Sound Insert Kit 2M-Max Rs-4 Muffler, 1.375" (Ins-2M26-K) 2-METER MAX Replacement Low-Volume Insert Kit for RS-4 Mufflers Non-Spark Arrested Available as optional kit on applications requiring different sound restrictions Decibel reduction depends on application Kit Includes: Low-Volume Insert Tube End-cap collar Set screw...

Yoshimura Sound Insert Kit 99Db R-77 Muffler Cf Tip, 1.500" (Ins-04-K) Replacement Low-Volume Insert Kit for R-77 Mufflers with Carbon End-cap Available as optional kit on applications requiring different sound restrictions Decibel reduction depends on application Kit Includes: Low-Volume Insert Tube End-cap collar Set...

Yoshimura Sound Insert Kit Rs-3 Muffler, Monkey RS-3 Sound Insert for the Honda Monkey. This new insert is designed to take the dB level down and fit perfectly with the RS-3 for the Monkey. This product was designed to fit on a standard equipped...

Yoshimura Sound Insert Kit Rs-12 Muffler, 1.250" Sp (Ins-34-K) Replacement Low-Volume Insert Kit for RS-12 Mufflers Non-Spark Arrested Available as optional kit on applications requiring different sound restrictions Decibel reduction depends on application Kit Includes: Low-Volume Insert Tube End-cap collar Set screw This product...

Yoshimura Sound Insert Kit Alpha/Alpha T Muffler (Ins-20-K) Replacement Low-Volume Insert Kit for ALPHA Mufflers Available as optional kit on applications requiring different sound restrictions Decibel reduction depends on application Kit Includes: Low-Volume Insert Tube End-cap collar Set screw This product was designed to...

Yoshimura AT2 Premium Muffler Repack Kit Yoshimura Road exhaust systems need to be repacked every 7,000 - 10,000 miles. Repacking your muffler at the suggested intervals is essential for your exhaust to perform the way it was designed. Dirty packing restricts airflow from your...

Yoshimura ALPHA T (Taper) Premium Muffler Repack Kit Yoshimura Road exhaust systems need to be repacked every 7,000 - 10,000 miles. Repacking your muffler at the suggested intervals is essential for your exhaust to perform the way it was designed. Dirty packing restricts airflow...

Yoshimura Low Volume Insert Kit R-34 Muffler (INS-29-K) Sound Insert for R-34 Mufflers. This new insert is designed to take the dB level down and fit perfectly with R-34 applications. This product was designed to fit on a standard equipped motorcycle, as delivered from...

Yoshimura RS-5 Premium Muffler Repack Kit Yoshimura Road exhaust systems need to be repacked every 7,000 - 10,000 miles. Repacking your muffler at the suggested intervals is essential for your exhaust to perform the way it was designed. Dirty packing restricts airflow from your...

Yoshimura ALPHA Premium Muffler Repack Kit Yoshimura Road exhaust systems need to be repacked every 7,000 - 10,000 miles. Repacking your muffler at the suggested intervals is essential for your exhaust to perform the way it was designed. Dirty packing restricts airflow from your...

Yoshimura TRC/TRS Premium Muffler Repack Kit Yoshimura Road exhaust systems need to be repacked every 7,000 - 10,000 miles. Repacking your muffler at the suggested intervals is essential for your exhaust to perform the way it was designed. Dirty packing restricts airflow from your...

Yoshimura Sound Insert Kit At2 Race Muffler (Ins-37-K) Specifically made for the YZF-R7 AT2 Titanium Race Full System Only Fits AT2 2.375" Titanium Race Mufflers "Big Outlet" Will NOT fit standard AT2 (2.25”) muffler outlets Non-Spark Arrested Kit Includes: Race Low-Volume Insert Tube End-cap...

Yoshimura Sound Insert Kit Rs-12 Muffler, 1.250" (Ins-33-K) Replacement Low-Volume Insert Kit for RS-12 Mufflers Non-Spark Arrested Available as optional kit on applications requiring different sound restrictions Decibel reduction depends on application Kit Includes: Low-Volume Insert Tube End-cap collar Set screw This product was...

Yoshimura Sound Insert Kit Alpha / Alpha T / R77 Muffler (Ins-35-K) Replacement Low-Volume Insert / dB Killer Kit for select Mufflers Available as optional kit on applications requiring different sound restrictions Decibel reduction depends on application Kit Includes: Low-Volume Insert Tube End-cap collar...

Yoshimura Sound Insert Kit 99Db Rs-2 Muffler, 1.500" (Ins-08-K) Replacement Low-Volume Insert Kit for RS-2 Mufflers Non-Spark Arrested Available as optional kit on applications requiring different sound restrictions Decibel reduction depends on application Kit Includes: Low-Volume Insert Tube End-cap collar Set screw This product...

Yoshimura Sound Insert Kit 99Db Rs-5/Rs-8 Round-Exit, 1.625" (Ins-09-K) Replacement Low-Volume Insert Kit for RS-5 and RS-8 Mufflers Non-Spark Arrested Available as optional kit on applications requiring different sound restrictions Decibel reduction depends on application Kit Includes: Low-Volume Insert Tube End-cap collar Set screw...

Yoshimura Sound Insert Kit 99Db R-77 Muffler Ss Tip, 1.500" (Ins-03-K) Replacement Low-Volume Insert Kit for R-77 Muffler with Stainless Steel End-cap Available as optional kit on applications requiring different sound restrictions Decibel reduction depends on application Kit Includes: Low-Volume Insert Tube End-cap collar...

Yoshimura Sound Insert Kit 99Db Rs-2 Muffler, 1.625" (Ins-07-K) Replacement Low-Volume Insert Kit for RS-2 Mufflers Non-Spark Arrested Available as optional kit on applications requiring different sound restrictions Decibel reduction depends on application Kit Includes: Low-Volume Insert Tube End-cap collar Set screw This product...

Yoshimura RS-9T Dual Premium Muffler Repack Kit 550g Off-road systems need to be repacked after 6-8 hours of use, or after each Race. Repacking your muffler at the suggested intervals is essential for your exhaust to perform the way it was designed. Dirty packing...

Yoshimura RS-9T Dual Premium Muffler Repack Kit 450g Off-road systems need to be repacked after 6-8 hours of use, or after each Race. Repacking your muffler at the suggested intervals is essential for your exhaust to perform the way it was designed. Dirty packing...

Yoshimura RS-3 Premium Muffler Repack Kit Yoshimura Road exhaust systems need to be repacked every 7,000 - 10,000 miles. Repacking your muffler at the suggested intervals is essential for your exhaust to perform the way it was designed. Dirty packing restricts airflow from your...

Yoshimura RS-4 Premium Muffler Repack Kit Off-road systems need to be repacked after 6-8 hours of use, or after each Race. Repacking your muffler at the suggested intervals is essential for your exhaust to perform the way it was designed. Dirty packing restricts airflow...

Yoshimura RS-12 Premium Muffler Repack Kit 750G Off-road systems need to be repacked after 6-8 hours of use, or after each Race. Repacking your muffler at the suggested intervals is essential for your exhaust to perform the way it was designed. Dirty packing restricts...

Yoshimura Sound Insert Kit 99Db Rs-4 Muffler, 1.625" (Ins-10-K) Replacement Low-Volume Insert Kit for RS-4 Mufflers Non-Spark Arrested Available as optional kit on applications requiring different sound restrictions Decibel reduction depends on application Kit Includes: Low-Volume Insert Tube End-cap collar Set screw This product...

Yoshimura Rs-12 Premium MX Muffler Repack Kit Off-road systems need to be repacked after 6-8 hours of use, or after each Race. Repacking your muffler at the suggested intervals is essential for your exhaust to perform the way it was designed. Dirty packing restricts...

Yoshimura RS-2 Premium Muffler Repack Kit Off-road systems need to be repacked after 6-8 hours of use, or after each Race. Repacking your muffler at the suggested intervals is essential for your exhaust to perform the way it was designed. Dirty packing restricts airflow...

Yoshimura RS-12 Premium Adv Muffler Repack Kit Off-road systems need to be repacked after 6-8 hours of use, or after each Race. Repacking your muffler at the suggested intervals is essential for your exhaust to perform the way it was designed. Dirty packing restricts...

Yoshimura R-77M Premium Repack Kit Yoshimura Road exhaust systems need to be repacked every 7,000 - 10,000 miles. Repacking your muffler at the suggested intervals is essential for your exhaust to perform the way it was designed. Dirty packing restricts airflow from your motor,...

Yoshimura R-77 Premium Muffler Repack Kit Yoshimura Road exhaust systems need to be repacked every 7,000 - 10,000 miles. Repacking your muffler at the suggested intervals is essential for your exhaust to perform the way it was designed. Dirty packing restricts airflow from your...